<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="80px">
      <el-form-item label="题库名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入题库名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['teacher:bank:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['teacher:bank:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['teacher:bank:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['teacher:bank:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bankList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="题库名" align="center" prop="name" />
<!--      <el-table-column label="单选题数量" align="center" prop="radioNum" />-->
<!--      <el-table-column label="多选题数量" align="center" prop="checkNum" />-->
<!--      <el-table-column label="判断题数量" align="center" prop="judgmentNum" />-->
<!--      <el-table-column label="填空题数量" align="center" prop="blankNum" />-->
<!--      <el-table-column label="简答题数量" align="center" prop="shortAnswerNum" />-->
<!--      <el-table-column label="是否开放" align="center" prop="open" />-->
      <el-table-column label="是否开放" align="center">
        <template slot-scope="scope">
          <span v-if="scope.row.open === 0" style="color: red">否</span>
          <span v-else style="color: green">是</span>
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="250">
        <template slot-scope="scope">
          <el-button
            type="success"
            size="small"
            @click="handleChapter(scope.row)"
          >章节管理</el-button>
          <el-button
            size="small"
            type="primary"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['teacher:bank:edit']"
          >修改</el-button>
          <el-button
            size="small"
            type="danger"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['teacher:bank:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改题库对话框 -->
    <el-dialog :title="formTitle" :visible.sync="dialogFormVisible" width="30%">
      <!--普通表单-->
      <!-- name\open\remark -->
      <el-form ref="ruleForm" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="题库名" prop="name">
          <el-input v-model="form.name" />
        </el-form-item>

        <el-form-item label="是否开放" prop="open">
          <el-radio v-model="form.open" :label="0">否</el-radio>
          <el-radio v-model="form.open" :label="1">是</el-radio>
        </el-form-item>

        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" />
        </el-form-item>

      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="submitForm">确 定</el-button>
      </div>
    </el-dialog>

    <!-- 抽屉 -->
    <el-drawer
      title="章节管理"
      :visible.sync="drawerVisable"
      size="50%"
      :wrapper-closable="false"
      :destroy-on-close="true"
    >
      <chapter v-show="drawerVisable" :b-id="bId" @close-event="drawerVisable = false" />
    </el-drawer>

  </div>
</template>

<script>
import { listBank, getBank, delBank, addBank, updateBank } from "@/api/teacher/bank";
import Chapter from "@/views/teacher/bank/chapter.vue";

export default {
  name: "Bank",
  components: {
    Chapter, // 注册组件
  },
  data() {
    return {
      // 根路径
      baseURL: process.env.VUE_APP_BASE_API,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 题库表格数据
      bankList: [],
      // 对话框表单显示
      dialogFormVisible: false,
      // 表单类型（添加数据:0,修改数据:1）
      formType: 0,
      // 抽屉框显示
      drawerVisable: false,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        radioNum: null,
        checkNum: null,
        judgmentNum: null,
        blankNum: null,
        shortAnswerNum: null,
        open: null,
        remark: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "题库名不能为空", trigger: "blur" }
        ]
      },
      // 题库id
      bId: null
    };
  },
  computed: {
    // 通过表单类型计算表单标题
    formTitle() {
      return this.formType === 0 ? '添加记录' : '修改记录'
    }
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询题库列表 */
    getList() {
      this.loading = true;
      listBank(this.queryParams).then(response => {
        this.bankList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        radioNum: null,
        checkNum: null,
        judgmentNum: null,
        blankNum: null,
        shortAnswerNum: null,
        open: 0,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.dialogFormVisible = true;
      this.title = "添加题库";

    },
    // 点击修改记录
    handleUpdate(row) {
      // 表单是修改状态
      this.formType = 1
      // 将行数据置入form
      this.form = {
        id: row.id,
        name: row.name,
        open: Number(row.open),
        remark: row.remark
      }
      // 显示表单框
      this.dialogFormVisible = true
    },
    /** 提交按钮 */
    submitForm() {
      // this.$refs["form"].validate(valid => {
      //   if (valid) {
          if (this.form.id != null) {
            updateBank(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.dialogFormVisible = false; ;
              this.getList();
            });
          } else {
            addBank(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.dialogFormVisible = false; ;
              this.getList();
            });
          }
      //   }
      // });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除题库编号为"' + ids + '"的数据项？').then(function() {
        return delBank(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('teacher/bank/export', {
        ...this.queryParams
      }, `bank_${new Date().getTime()}.xlsx`)
    },

    // 点击章节管理
    handleChapter(row) {
      this.bId = row.id
      this.drawerVisable = true
    }
  }
};
</script>
